iterator_category.hpp

来自「support vector clustering for vc++」· HPP 代码 · 共 36 行

#ifndef BOOST_MPL_ITERATOR_CATEGORY_HPP_INCLUDED
#define BOOST_MPL_ITERATOR_CATEGORY_HPP_INCLUDED

// Copyright Aleksey Gurtovoy 2000-2004
//
// Distributed under the Boost Software License, Version 1.0. 
// (See accompanying file LICENSE_1_0.txt or copy at 
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/mpl for documentation.

// $Source: /cvsroot/boost/boost/boost/mpl/iterator_category.hpp,v $
// $Date: 2004/09/02 15:40:41 $
// $Revision: 1.6 $

#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>

namespace boost {  namespace mpl {

template<
      typename BOOST_MPL_AUX_NA_PARAM(Iterator)
    >
struct iterator_category
{
    typedef typename Iterator::category type;
    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,iterator_category,(Iterator))
};

BOOST_MPL_AUX_NA_SPEC(1, iterator_category)

}}

#endif // BOOST_MPL_ITERATOR_CATEGORY_HPP_INCLUDED